return {
	"folke/which-key.nvim",
	event = "VeryLazy",
	config = function()
		local status_ok, which_key = pcall(require, "which-key")
		if not status_ok then
			return
		end

		local setup = {
			plugins = {
				marks = true, -- shows a list of your marks on ' and `
				registers = false, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
				spelling = {
					enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
					suggestions = 20, -- how many suggestions should be shown in the list?
				},
				-- the presets plugin, adds help for a bunch of default keybindings in Neovim
				-- No actual key bindings are created
				presets = {
					operators = false, -- adds help for operators like d, y, ... and registers them for motion / text object completion
					motions = true, -- adds help for motions
					text_objects = true, -- help for text objects triggered after entering an operator
					windows = true, -- default bindings on <c-w>
					nav = true, -- misc bindings to work with windows
					z = true, -- bindings for folds, spelling and others prefixed with z
					g = true, -- bindings for prefixed with g
				},
			},

			-- add operators that will trigger motion and text object completion
			-- to enable all native operators, set the preset / operators plugin above
			-- operators = { gc = "Comments" },
			key_labels = {
				-- override the label used to display some keys. It doesn't effect WK in any other way.
				-- For example:
				-- ["<space>"] = "SPC",
				-- ["<cr>"] = "RET",
				-- ["<tab>"] = "TAB",
			},
			icons = {
				breadcrumb = "»", -- symbol used in the command line area that shows your active key combo
				separator = "➜", -- symbol used between a key and it's label
				group = "+ >> ", -- symbol prepended to a group
			},
			popup_mappings = {
				scroll_down = "<c-d>", -- binding to scroll down inside the popup
				scroll_up = "<c-u>", -- binding to scroll up inside the popup
			},
			window = {
				border = "rounded", -- none, single, double, shadow
				position = "bottom", -- bottom, top
				margin = { 1, 0, 1, 0 }, -- extra window margin [top, right, bottom, left]
				padding = { 2, 2, 2, 2 }, -- extra window padding [top, right, bottom, left]
				winblend = 0,
			},
			layout = {
				height = { min = 4, max = 25 }, -- min and max height of the columns
				width = { min = 20, max = 50 }, -- min and max width of the columns
				spacing = 3, -- spacing between columns
				align = "left", -- align columns left, center or right
			},
			ignore_missing = true, -- enable this to hide mappings for which you didn't specify a label
			hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ " }, -- hide mapping boilerplate
			show_help = true, -- show help message on the command line when the popup is visible
			triggers = "auto", -- automatically setup triggers
			-- triggers = {"<leader>"} -- or specify a list manually
			triggers_blacklist = {
				-- list of mode / prefixes that should never be hooked by WhichKey
				-- this is mostly relevant for key maps that start with a native binding
				-- most people should not need to change this
				i = { "j", "k" },
				v = { "j", "k" },
			},
		}

		local opts = {
			mode = "n", -- NORMAL mode
			prefix = "<leader>",
			buffer = nil, -- Global mappings. Specify a buffer number for buffer local mappings
			silent = true, -- use `silent` when creating keymaps
			noremap = true, -- use `noremap` when creating keymaps
			nowait = true, -- use `nowait` when creating keymaps
		}

		local mappings =
			{
				["a"] = { "<cmd>Alpha<cr>", "Alpha" },
				["q"] = { "<cmd>qa<CR>", "exit all" },
				["b"] = { "<cmd>bdelete!<CR>", "close Buffer" },
				["1"] = { "<cmd>BufferLineGoToBuffer 1<CR>", "tabs 1" },
				["2"] = { "<cmd>BufferLineGoToBuffer 2<CR>", "tabs 2" },
				["3"] = { "<cmd>BufferLineGoToBuffer 3<CR>", "tabs 3" },
				["4"] = { "<cmd>BufferLineGoToBuffer 4<CR>", "tabs 4" },
				["5"] = { "<cmd>BufferLineGoToBuffer 5<CR>", "tabs 5" },
				["6"] = { "<cmd>BufferLineGoToBuffer 6<CR>", "tabs 6" },
				["7"] = { "<cmd>BufferLineGoToBuffer 7<CR>", "tabs 7" },
				["8"] = { "<cmd>BufferLineGoToBuffer 8<CR>", "tabs 8" },
				["9"] = { "<cmd>BufferLineGoToBuffer 9<CR>", "tabs 9" },

				f = {
					name = "search",
					c = { "<cmd>Telescope colorscheme<cr>", "theme" },
					b = { "<cmd>Telescope help_tags<cr>", "help file" },
					o = { "<cmd>Telescope oldfiles<cr>", "old file" },
					f = { "<cmd>Telescope find_files <CR>", "find file" },
					g = { "<cmd>Telescope live_grep theme=ivy<cr>", "text" },
					h = { "<cmd>lua require('spectre').open()<cr>", "Registers" },
					i = { "<cmd>Notifications<cr>", "Info" },
					m = { "<cmd>Telescope keymaps<CR>", "Display all mappings" },
				},
				m = {
					name = "markdown",
					y = { "<cmd>MarkdownPreviewToggle<cr>", "md preview" },
					p = { "<cmd>call mdip#MarkdownClipboardImage()<CR>", "paste img" },
					t = { "<cmd>TableModeToggle<CR>", "Table mode" },
				},
				w = {
					name = "windown",
					c = { "<cmd>close<CR>", "关闭当前窗口" },
					o = { "<cmd>only<CR>", "关闭其他窗口" },
					h = { "<C-w>H", "移到最左边" },
					j = { "<C-w>J", "移到最下边" },
					k = { "<C-w>K", "移到最上边" },
					l = { "<C-w>L", "移到最右边" },
					d = { "<C-w>=", "等宽高" },
					s = { "<cmd>vs<CR>", "水平复制窗口" },
					S = { "<cmd>sv<CR>", "垂直复制窗口" },
					n = { "<C-w>n", "新建空白窗口" },
				},
				t = {
					name = "Terminal",
					t = { "<cmd>ToggleTerm direction=float<cr>", "Float" },
					h = { "<cmd>ToggleTerm size=10 direction=horizontal<cr>", "Horizontal" },
					v = { "<cmd>ToggleTerm size=80 direction=vertical<cr>", "Vertical" },
				},
			}, which_key.setup(setup)
		which_key.register(mappings, opts)
	end,
}
